/* ---------- App shell (mobile first) ---------- */
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
:root{--ink:#111;--muted:#6b6b6b;--line:#e6e4df;--bg:#f4f3f0;--card:#fff;--acc:#111;--danger:#b42318}
html{-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.4;padding-bottom:calc(84px + env(safe-area-inset-bottom))}
button,input,textarea{font:inherit;color:inherit}
.bar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 14px;padding-top:calc(10px + env(safe-area-inset-top));background:#111;color:#fff}
.bar-brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:15px;white-space:nowrap}
.mark{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:7px;background:#fff;color:#111;font-weight:900;font-size:12px;letter-spacing:-.5px}
.seg{display:flex;background:#2a2a2a;border-radius:10px;padding:3px}
.seg button{border:0;background:transparent;color:#bbb;padding:8px 12px;border-radius:8px;font-weight:600;font-size:14px;min-height:38px}
.seg button.on{background:#fff;color:#111}
.tabs{position:sticky;top:calc(58px + env(safe-area-inset-top));z-index:19;display:flex;background:var(--bg);border-bottom:1px solid var(--line)}
.tabs button{flex:1;border:0;background:none;padding:12px;font-weight:600;color:var(--muted);border-bottom:2px solid transparent;min-height:46px}
.tabs button.on{color:var(--ink);border-bottom-color:var(--ink)}
.layout{padding:12px}
.preview{display:none}
body.show-preview .editor{display:none}
body.show-preview .preview{display:block}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;margin-bottom:12px}
.card>summary{font-weight:700;font-size:16px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;min-height:28px}
.card>summary::-webkit-details-marker{display:none}
.card>summary::after{content:"+";font-weight:400;font-size:22px;color:var(--muted)}
.card[open]>summary::after{content:"–"}
.card[open]>summary{margin-bottom:10px}
label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-top:10px}
label small{font-weight:400}
input,textarea{display:block;width:100%;margin-top:5px;padding:11px 12px;border:1px solid #d6d3cc;border-radius:10px;background:#fff;font-size:16px;color:var(--ink);font-weight:400;min-height:46px}
textarea{resize:vertical;line-height:1.4}
input[type=color]{padding:4px;height:46px}
input:focus,textarea:focus{outline:2px solid #111;outline-offset:1px;border-color:#111}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 10px}
.mt{margin-top:6px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid #111;background:#111;color:#fff;border-radius:12px;padding:12px 16px;font-weight:700;font-size:15px;min-height:48px;cursor:pointer;text-align:center}
.btn.ghost{background:#fff;color:#111;border-color:#d6d3cc}
.btn.danger{color:var(--danger)}
.btn.small{min-height:44px;padding:8px 12px;font-size:14px}
.btn.full{width:100%;margin-top:10px}
.btn.file{position:relative;overflow:hidden;margin:0}
.btn.file input{position:absolute;inset:0;opacity:0;cursor:pointer;margin:0}
.logo-row{display:flex;gap:12px;align-items:center}
.logo-prev{width:64px;height:64px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;overflow:hidden;flex-shrink:0;background:#fff}
.logo-prev img{max-width:100%;max-height:100%}
.logo-btns{display:flex;flex-wrap:wrap;gap:8px}
.item{border:1px solid var(--line);border-radius:12px;padding:10px 12px 12px;margin-bottom:10px;background:#fbfaf8}
.item-head{display:flex;justify-content:space-between;align-items:center;font-size:13px;font-weight:700;color:var(--muted)}
.item-tools{display:flex;gap:4px}
.icon{border:1px solid var(--line);background:#fff;border-radius:10px;width:44px;height:44px;font-size:17px;cursor:pointer}
.icon.del{color:var(--danger)}
.item .grid3{display:grid;grid-template-columns:1fr 1.4fr;gap:0 10px}
.item .amt{margin-top:8px;text-align:right;font-weight:700;font-size:14px}
.adj,.term{display:flex;gap:8px;align-items:flex-end;margin-bottom:6px}
.adj label{margin-top:6px}
.adj .a-label{flex:1.6}.adj .a-amt{flex:1}
.term textarea{flex:1;margin-top:6px}
.sum{margin-top:12px;border-top:1px solid var(--line);padding-top:10px;font-size:14px}
.sum div{display:flex;justify-content:space-between;padding:3px 0}
.sum .g{font-weight:800;font-size:16px}
.tools{display:flex;flex-wrap:wrap;gap:8px}
.tools .btn{flex:1 1 140px}
.hint{flex-basis:100%;font-size:13px;color:var(--muted);margin-top:4px}
.actions{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;gap:10px;padding:10px 12px;padding-bottom:calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.96);border-top:1px solid var(--line);backdrop-filter:blur(8px)}
.actions .btn{flex:1}
.actions .btn.primary{flex:2}
.credit{text-align:center;font-size:13px;color:var(--muted);padding:6px 8px 14px;line-height:1.5}
.credit a{color:var(--ink);font-weight:700;text-decoration:underline;text-underline-offset:2px;display:inline-block;padding:6px 0}
.toast{position:fixed;left:50%;bottom:calc(90px + env(safe-area-inset-bottom));transform:translateX(-50%);background:#111;color:#fff;padding:10px 16px;border-radius:10px;font-size:14px;opacity:0;pointer-events:none;transition:opacity .2s;z-index:40;max-width:90vw;text-align:center}
.toast.on{opacity:1}
.paper-wrap{overflow:hidden}
.paper-scale{transform-origin:top left;width:794px}
.paper-scale .doc{box-shadow:0 2px 14px rgba(0,0,0,.12);border-radius:2px}
#pdf-stage{position:absolute;left:0;top:0;width:794px;z-index:-1;pointer-events:none}
#pdf-stage:empty{display:none}

@media (min-width:1000px){
  body{padding-bottom:0}
  .tabs{display:none}
  .layout{display:grid;grid-template-columns:minmax(380px,460px) 1fr;gap:20px;padding:20px;align-items:start}
  body.show-preview .editor,.editor{display:block}
  .preview,body.show-preview .preview{display:block;position:sticky;top:80px;max-height:calc(100vh - 160px);overflow:auto;padding-bottom:20px}
  .actions{position:sticky;justify-content:flex-end}
  .actions .btn{flex:0 0 auto;min-width:160px}
  .actions .btn.primary{flex:0 0 auto}
  .toast{bottom:90px}
}

/* ---------- The document (A4 at 96dpi = 794px wide) ---------- */
.doc{--acc:#111;width:794px;background:#fff;color:#1a1a1a;font-family:"Helvetica Neue",Arial,sans-serif;font-size:12px;line-height:1.4;padding:44px 64px 40px}
.doc .hd{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--acc)}
.doc .hl{display:flex;align-items:center;gap:12px;min-width:0}
.doc .lg{width:48px;height:48px;flex-shrink:0;display:grid;place-items:center;border-radius:9px;background:var(--acc);color:#fff;font-weight:900;font-size:17px;letter-spacing:-1px;overflow:hidden}
.doc .lg.img{background:none;width:auto;max-width:150px;border-radius:0}
.doc .lg img{max-height:48px;max-width:150px;display:block}
.doc .bn{font-size:15px;font-weight:800;color:#111}
.doc .bt{font-size:9px;letter-spacing:2px;color:#888;text-transform:uppercase}
.doc .hr{text-align:right;flex-shrink:0}
.doc .ql{font-size:9.5px;color:#888;letter-spacing:2px;text-transform:uppercase}
.doc .qn{font-size:14px;font-weight:700;color:#111}
.doc .dt{font-size:10px;color:#666;margin-top:3px}
.doc .pt{display:flex;gap:32px;margin-bottom:14px}
.doc .pt>div{flex:1;min-width:0}
.doc .lb{font-size:8.5px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:#aaa;margin-bottom:4px}
.doc .pc{font-size:11px;line-height:1.5;overflow-wrap:anywhere}
.doc .pc b{font-weight:700;color:#111}
.doc .sj{font-size:11.5px;font-weight:600;margin-bottom:10px;padding-bottom:10px;border-bottom:1px solid #eee;color:#444}
.doc table{width:100%;border-collapse:collapse;margin-bottom:12px}
.doc thead th{font-size:8.5px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:#aaa;text-align:left;padding:8px 10px;border-bottom:1.5px solid var(--acc)}
.doc th.r,.doc td.r{text-align:right;white-space:nowrap}
.doc tbody td{padding:7px 10px;border-bottom:1px solid #eee;vertical-align:top;font-size:11px;line-height:1.4}
.doc tbody tr{break-inside:avoid;page-break-inside:avoid}
.doc .in{font-weight:600;color:#111}
.doc .id{color:#444;white-space:pre-wrap;overflow-wrap:anywhere}
.doc .tt{display:flex;flex-direction:column;align-items:flex-end;gap:4px;margin-top:6px;break-inside:avoid;page-break-inside:avoid}
.doc .tt .rw{display:flex;justify-content:space-between;gap:16px;width:300px;font-size:11.5px;padding:1px 0}
.doc .tt .rw.g{font-weight:800;font-size:13.5px;border-top:1.5px solid var(--acc);padding-top:8px;margin-top:5px}
.doc .nt{font-size:9.5px;color:#888;margin-top:10px;white-space:pre-wrap}
.doc .cl{margin-top:14px;font-size:11.5px;color:#444;white-space:pre-wrap}
.doc .pb{break-before:page;page-break-before:always;height:0}
.doc .tm{margin-top:24px}
.doc .tm h3{font-size:10.5px;font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:12px;color:#111;border-bottom:1.5px solid var(--acc);padding-bottom:5px}
.doc .tm ol{padding-left:22px;font-size:11px;line-height:1.7;color:#444}
.doc .tm li{margin-bottom:7px;break-inside:avoid;page-break-inside:avoid;white-space:pre-wrap}
.doc .bk{margin-top:20px;padding:14px 16px;background:#f8f8f8;border-radius:5px;font-size:11.5px;line-height:1.6;white-space:pre-wrap;break-inside:avoid;page-break-inside:avoid}
.doc .bk b{font-size:9px;letter-spacing:1.5px;text-transform:uppercase;color:#888}
.doc .ft{margin-top:28px;padding-top:12px;font-size:9px;color:#bbb;text-align:center;border-top:1px solid #eee}

@media print{
  @page{size:A4;margin:12mm 0}
  body{background:#fff;padding:0}
  .bar,.tabs,.editor,.actions,.toast,#pdf-stage{display:none!important}
  .layout{display:block;padding:0}
  .preview,body.show-preview .preview{display:block!important;position:static;max-height:none;overflow:visible}
  .paper-wrap{height:auto!important;overflow:visible}
  .paper-scale{transform:none!important;width:auto}
  .paper-scale .doc{box-shadow:none;margin:0 auto;padding-top:0;padding-bottom:0}
  .doc{-webkit-print-color-adjust:exact;print-color-adjust:exact}
}